1921 



IX DUX 



59 



Pages £■ Plates 



Ciassiplanulites horizon . . 40, 42 



crassiruga 42, cclii 



crasaiuaculmn ccix 



crassulum ccvm 



crassum cxlvu 



crater 7, clxiv 



Cripple Ammonites 32 



Crucilobiceras . . . . axxvm 



crucilobatum 

 crucilobatum . . . . clxxviii 



Curvature, how produced . . . . 8 



curvus 35 



cylindroides 6, cxxxin 



Cyrtosiceras macrotelus . . . . 7 

 Dactylioceras . . clvii, ccvm 



crassulum, tenuicostatuni 



davidsoni ccr 



delicatus cxli 



densus cm 



Deroceras leckenbyi . . . . ccxxxv 

 Development 8 



— , Cadoceratidae 21 



dhosaensis 42 



Dichotomoceras . . . . 27, cxxxix, 



CLXXXIV, CCXII 



alligatum, dichotomum, 

 ingens 

 Dichotomoceras horizon . . . . to 



— variocostatum 28 



dichotomum cxxxix 



Diplesioceras 25, clxxvii 



diplesium 



diplesium 25, clxxvii 



Dipoloceras 25 



Docidoceras . . . . 22, 28, cxxxm, 



CCLXIV 



cylindroides, planulatum 



dolichcecus cclxv 



dorsal suture-line . . ccxxxvui 



dorsalc 16, cxcvm 



Dysmorph .. .. },2, clxxxviii 

 Eboraciccras .. .. 14, 21, clxxi, 



CLXXII 



ordinarium, subordinarium 



Ebrayiceras 22, clxxih. 



clxxiv 



jactatum, ocellatum, pseudo- 



anceps, rursum, vaschaldi 

 Ebrayiceras, proportions of spp. of 24 



Editorial 5, 56 



Eichwaldiceras 20, 21 



carinatum 

 Ellipticone (-ocone) 7, 53, clxxxix 

 Emileia . . . . 0, 7, 22, 43, clxiv 



crater 

 Emileia, cadicone stage . . clxiv 

 Epalxites . . 12, 21, cli, CLIX 



formosus, latansatus 



erratum clxxxviii 



erugatum . . . . . . ccxxm 



Erycites ccxlvi 



partschi 

 Erycites gonionotus . . . . ccxlvi 



— modestus ccxxxvi 



— tulcus ccxxxvn 



Esericeras clxxxii 



inaequum 



Pngcs &■ Plates 



Erymnoceraa 21, 43 



Eudmetoceras . . clxxix, clxxx 



amplectens, eudmetum 



eudmetum clxxix 



euryodos cliii 



excentricus 39 



extensum ccxiv 



fa bale CCXL1V 



fabricatus 36, ccli 



Falaisian, hemeral sequence . . 51 



fastigatum 19 



Fastigiceras 14, cxliv 



clausum 

 Fauna, Fullers' Earth Rock, Great 



Oolite 51 



Faunal Horizons 10 



Females 6 



ferrugineum cxlii 



ferruginosus 34 



fissilobatum clxxxi 



Fissilobiceras clxxxi 



fissilobatum 



formosus cli 



fornicatus 48 



forte CCXLV 



iracidus 40 



— horizon 40 



Frogdenites ccxv 



spiniger 

 Fuller's Earth Rock 43 



— — — , sequence . . . . 51 



fulvus 39 



Furcation . . 13 



galeatum clvi 



Garantiana 29, 53 



— , latesulcate sp. . . ccxl 

 Genolectotype 15, 24, 25, 26, 29, 30, 



31, 54, ccxlviii 



Geological Sequence 50 



Gerontic swelling . . clxxx b 



giganteus cclvi 



Gigantites cclvi 



giganteus 



glabretus 52 



Gleviceras 14 



— glevensc 14 



Goliathiceras 6, 16, 17, 21, cxxxn, 



clvi 

 ammonoides, galeatum 

 Goliathiceras horizon 10 



7. 

 54 



CLXXVI 



, CCLIV 



32, CXCIII 

 32, CXCIII 



Goniocone 

 Gowericeras 



metorchum 



gracilis 



G racilisphi nctes 



gracilis 

 Great Oolite 43 



— , Ardley, dates of . . . . 52 



— , Gloucestershire . . . . 51 



grossouvrei 24, clxxv 



Grossouvria 28 



Guibaliceras 14 



gulielmi 54, CXCTV 



Gulielmiceras . . . . 54, cxciv 



gulielmi 



Hammatoceras ccvi 



cappucinum 



